Derivative Classification and Markings 2020 Edition by Executive Office of the President

This resource provides a detailed explanation of derivative classification and markings, as outlined in Executive Order 13526. It covers essential concepts such as the FOIA (Freedom of Information Act) exemptions and provides practical guidance on classifying derivative documents. This comprehensive guide includes information on appropriate derivative classification sources, the declassification instruction, and the marking of national security information, making it a valuable resource for indi...